| LPH | lactase-phlorizin hydrolase; left posterior hemiblock; lipotropic pituitary hormone |
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| L/S | lactase/sucrase [ratio]; lecithin/ sphingomyelin [ratio]; lipid/saccharide [ratio]; longitudinal sec... |
| NLA | National Leukemia Association; neuroleptoanesthesia; normal lactase activity |
| TLA | thymus leukemia antigen; tissue lactase activity; tongue-to-lip adhesion; translaryngeal aspiration;... |
| IGD | idiopathic growth hormone deficiency; interglobal distance; isolated gonadotropin deficiency |
| rubella syndrome, congenital | Transplacental infection of the foetus with rubella usually in the first trimester of pregnancy, as a consequence of maternal infection, resulting in various developmental abnormalities in the newborn infant. They include cardiac and ocular lesions, deafness, microcephaly, mental retardation, and generalised growth retardation. (12 Dec 1998) |
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| congenital | <embryology> Existing at and usually before, birth, referring to conditions that are present at birth, regardless of their causation. Origin: L. Congenitus = born together (18 Nov 1997) |
| congenital absence of pulmonary valve | <radiology> BIG central pulmonary arteries, big RV (12 Dec 1998) |
| congenital adrenal hyperplasia | <endocrinology> A genetic disorder present at birth characterised by a deficiency of the hormones aldosterone and cortisol and an overproduction of male sex hormones (androgens). In males this may manifest as enlarged penis, small testes and early development of masculine characteristics. In females features include ambiguous genitalia, failure to menstruate, deep voice and excessive hair. Origin: Gr. Plassein = to form (27 Sep 1997) |
| congenital afibrinogenaemia | <biochemistry> A below normal level of fibrinogen in the plasma. Fibrinogen (factor II) is one of the proteins involved in the formation of a blood clot. This condition may be congenital or acquired (for example disseminated intravascular coagulation, multiple blood transfusions). Origin: Gr. Haima = blood (27 Sep 1997) |
| congenital amputation | Amputation produced in utero; attributed to the pressure of constricting bands (amniotic); autosomal recessive inheritance. Synonym: amniotic amputation, amputation, birth amputation, intrauterine amputation, spontaneous amputation. (05 Mar 2000) |
| congenital anaemia | <haematology> A condition which develops in the foetus due to an incompatibility between the mother's blood type (RH factor) and the baby's. Maternal antibodies, which enter the foetal circulation during delivery attack the baby's red blood cells leading to haemolysis (rupture of the cells). Symptoms include an infant with an enlarged liver and spleen, swelling, jaundice and anaemia. (27 Sep 1997) |
| congenital ankyloblepharon | Congenital adhesion of the upper and lower eyelid by bands of tissue. Synonym: filiform adnatum. Origin: ankylo-+ G. Blepharon, eyelid (05 Mar 2000) |
| congenital aplasia of thymus | diGeorge syndrome |
| congenital aplastic anaemia | <haematology> A rare inherited type of aplastic anaemia which carries an increased risk to the patient of developing leukaemia. May be treated by bone marrow transplant. Origin: Gr. Haima = blood (13 Nov 1997) |
| congenital atonic pseudoparalysis | Atonic pseudoparalysis of congenital origin (neither familial nor hereditary), observed especially in infants and characterised by absences of muscular tone only in muscles innervated by the spinal nerves. Synonym: congenital atonic pseudoparalysis, myatonia congenita, Oppenheim's disease, Oppenheim's syndrome. An indefinite term for a number of congenital neuromuscular disorders that cause generalised myotonia in young children, and that have a benign course (static or regressive). (05 Mar 2000) |
| congenital baldness | Absence of all hair at birth, associated with psychomotor epilepsy; autosomal dominant inheritance. Synonym: congenital baldness, hypotrichiasis. (05 Mar 2000) |
| congenital bronchiectasis | Persistent and progressive dilation of bronchi or bronchioles as a consequence of inflammatory disease (lung infections), obstruction (tumour) or congenital abnormality (for example cystic fibrosis). Although rarely congenital, it is most often an acquired condition in childhood. (27 Sep 1997) |
| congenital cardiomyopathy | <radiology> Endocardial fibroelastosis, myocarditis, glycogen storage disease (Pompe's), anomalous origin of left coronary artery from pulmonary artery (12 Dec 1998) |
| congenital cataract | A cataract or clouding or the lens of the eye, that occurs in the foetus at some time during pregnancy. Children with Down's syndrome and galactosaemia have an increased incidence of congenital cataracts. Treatment includes cataract removal and the insertion of an artificial lens. (27 Sep 1997) |